[1000H]则AX= ()A、8000HB、0080HC、2080HD、8020H
[1000H]则AX= ()
- A、8000H
- B、0080H
- C、2080H
- D、8020H
相关考题:
假设(DS)=1000H,(DI)=0500H,(10510H)=0FFH,(10511H)=00H,下列指令执行后使(AX):0520H的是( )。A.LEA AX,20[DI]B.MOV AX,OFFSET DIC.MOV AX,20[DI]D.LEA AX,[DI]
假设(DS)=1000H,(DI)=0400H,(10410)=FFH,(10411H)=00H,下列指令执行 (AX)值是0420H的指令是( )。A.LEA AX,20[DI]B.MOV AX,OFFSET DIC.MOV AX,20[DI]D.LEA AX,[DI]
己知(AX)=1000H,(BX)=2000H,依次执行PUSH AX,PUSH BX、POP AX指令后,AX寄存器中的内容是( )。A.1000HB.0010HC.2000HD.0020H
假设(DS)=1000H,(DI)=0400H,(10410H)=00H,下列指令执行后使(AX)=0420H的指令是( )。A.LEA AX,20[DI]B.MOV AX,OFFSET DIC.MOV AX,20[DI]D.LEA AX[DI]
假设(DS)=1000H,(DI)=0400H,(10410)=FFH,(10411H)=00H,下列指令执行(AX)值是0420H的指令是( )。A.LEAAX,20[DI]B.MOVAX,OFFSET DIC.MOV AX, 20[DI]D.LEA AX, [DI]
已知(AX)=1000H,(BX)=2000H,依次执行PUSH AX,PUSH BX、POP AX指令后,AX寄存器中的内容是( )。A.1000HB.0010HC.2000HD.0020H
运行如下程序,写出运行结果 MOV CX, 1234H MOV WORD PTR[1000H], 5678H MOV BX, [1000H] PUSH BX PUSH CX POP AX POP DX INT 3 结果为:AX=(),BX=(),CX=(),DX=()
指出以下指令中,哪些指令是非法的,并说明为什么(8086系统)。 (1) PUSH 1234H (2) MOV CS,AX (3) IN AX, 300 (4) MOV AX,[DX+12] (5) MOV BX,[BX] (6) MOV DS,1000H (7) XCHG AL,AL (8) MOV AL,100H (9) MOV DX,AL (10)LEA BL,[BX+5] (11)LEA DX,BX (12)MOV [1000H],12H (13)ADD AX,DS (14)SUB [0100H],BYTE PTR [0001] (15)SHL BL,2 (16)SHR CL,CL (17)MUL AL,BL (18)INT 400
设(DS)=1000H,(ES)=2000H,(SS)=3000H,(BX)=5000H,(BP)=6000H,(DI)=0001H,内存单元中,(21000H)=1234H,(36000H)=9ABCH,(16000H)=9657H,(41002H)=789AH。则MOV AX,ES:[1000H]执行时操作数的物理地址为多少?
设(DS)=1000H,(ES)=2000H,(SS)=3000H,(BX)=5000H,(BP)=6000H,(DI)=0001H,内存单元中,(21000H)=1234H,(36000H)=9ABCH,(16000H)=9657H,(41002H)=789AH。则MOV AX,[BP]执行后(AX)等于多少?
①MOV AX,1000H ②MOV AX,[1000H] ③MOV AX,BX 上述三条指令,根据其寻址方式的不同,判断执行速度,由快至慢的顺序为()A、③②①B、①③②C、①②③D、②③①
判断下列指令是否正确。若不正确,指出错误原因。 (1)MOV AX, [EBX] (2)MOV SI, DL (3)MOV EBP, [ESP][EAX*3] (4)LEA AX, 3006H (5)MOV [BP][DI], 0 (6)MOV [SI], [DI] (7)MOV ES, 1000H (8)MOV AX, X+2 (9)MOV AX, CX+2 (10)MOV [EAX][EAX*2], AL
若DS=1000H,BX=2000H,(12000H)=56H,(12001H)=78H,AX=1000H,执行“ADDAX,[BX]”指令后,AX=()。A、8856HB、6678HC、8800HD、6600H
单选题假定DS=1000H,AX=2000H,【1234H】=30H,【1235H】=40H当执行完MOVAX,【1234】指令后,AX的值为()。A4030HB3040HC1234HD2000H
填空题运行如下程序,写出运行结果 MOV CX, 1234H MOV WORD PTR[1000H], 5678H MOV BX, [1000H] PUSH BX PUSH CX POP AX POP DX INT 3 结果为:AX=(),BX=(),CX=(),DX=()
单选题设(AX)=1000H,NEGAXNOTAX执行上述两条指令后,正确的结果是()。A(AX)=1001HB(AX)=0FFFHC(AX)=1000HD(AX)=0111H